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Articles 121 - 150 of 16401
Full-Text Articles in Entire DC Network
How Physically Active Are U.S. Adults?: Comparing National Estimatesphysical Activity Levels Of U.S. Adults Across Multiple National Datasets, Jinwon Choung, Ayland Letsinger
How Physically Active Are U.S. Adults?: Comparing National Estimatesphysical Activity Levels Of U.S. Adults Across Multiple National Datasets, Jinwon Choung, Ayland Letsinger
International Journal of Exercise Science: Conference Proceedings
National estimates of physical activity are used to evaluate population behavior and inform public health guidelines. However, estimates may vary depending on whether physical activity is assessed using self-reported surveys or accelerometer-based measures. PURPOSE: This cross-sectional study was to characterize population-level estimates of weekly moderate-to-vigorous physical activity (MVPA) and physical activity guideline adherence (≥ 150 min/week) among U.S. adults across multiple nationally representative U.S. population-based physical activity data sources. METHODS: A PubMed literature search revealed five databases: NHANES, NHIS, BRFSS, Add Health, and All of Us, using the most recent survey cycles from each database and accelerometer-based physical …
Dehydration Delays Recovery Of Muscular Power And Balance Following Exercise-Induced Muscle Damage, Julia Macias-Mendez, Casey Appell, Trinity N. Domonkos, Karina Olvera, Sarah Walper, Jalyn Dunlap, Larry Munger, Hui-Ying Luk
Dehydration Delays Recovery Of Muscular Power And Balance Following Exercise-Induced Muscle Damage, Julia Macias-Mendez, Casey Appell, Trinity N. Domonkos, Karina Olvera, Sarah Walper, Jalyn Dunlap, Larry Munger, Hui-Ying Luk
International Journal of Exercise Science: Conference Proceedings
Dehydration can impair performance by reducing muscular power and balance. However, the effect of dehydration on muscular functional power and balance recovery following muscle damage remains unclear. Dehydration is common following strenuous exercise and may exacerbate muscle damage–related impairments in neuromuscular function, potentially delaying recovery of power and balance. PURPOSE: To examine whether dehydration influences skeletal muscle functional power and balance recovery following eccentric exercise-induced muscle damage in recreationally active men. METHODS: Seven recreationally active men (21±3yrs, 173.4±7.4cm, 170.5±25.9kg, lean mass 60.9±10.4kg, %fat 25.0±0.6%) completed two identical unilateral maximal eccentric knee extension exercise protocols (EKE; 10 sets × …
Effect Of Dehydration Combined With Inflammatory Response On Muscle Fluid Dynamics In Non-Exercise Muscle, Trinity N. Domonkos, Casey Appell, Karina Olvera, Sarah Walper, Christian Hoebelheinrich, Seth Bernardino, Amar Vaela, Jalyn Dunlap, Larry Munger, Hui-Ying Luk
Effect Of Dehydration Combined With Inflammatory Response On Muscle Fluid Dynamics In Non-Exercise Muscle, Trinity N. Domonkos, Casey Appell, Karina Olvera, Sarah Walper, Christian Hoebelheinrich, Seth Bernardino, Amar Vaela, Jalyn Dunlap, Larry Munger, Hui-Ying Luk
International Journal of Exercise Science: Conference Proceedings
Water comprises approximately 40% of muscle mass, and intracellular fluid shifts occur in response to osmotic gradients between intracellular and extracellular (e.g., blood) compartments. Fluid also enters injured muscle during inflammation, resulting a temporary increase in muscle cross sectional area (mCSA). Dehydration elevates blood osmolality, and fluid enters damaged tissue. However, it remains unclear if dehydration-induced osmotic stress and swelling from muscle damage can influence fluid dynamics (fluid retention) in non-damaged muscle. PURPOSE: To determine whether hydration status and damage-related swelling alter fluid retention in the contralateral non-damaged leg. METHODS: Six recreationally active men (age: 20±3 yrs, height: 173.6±8.1 cm, …
The Acute Physiological And Perceptual Responses To An Infrared Sauna Blanket - Towards Home-Based Passive Heat Therapy, Jace Nicolet, Benjamin Enslow, Rene Barbier, Louis Hein, Sven Hoekstra
The Acute Physiological And Perceptual Responses To An Infrared Sauna Blanket - Towards Home-Based Passive Heat Therapy, Jace Nicolet, Benjamin Enslow, Rene Barbier, Louis Hein, Sven Hoekstra
International Journal of Exercise Science: Conference Proceedings
Passive heat therapy interventions, such as sauna bathing and hot-water immersion, have been shown to improve cardiometabolic health outcomes in healthy and clinical populations. However, most of such heating modalities are costly and inaccessible. PURPOSE: This study investigated the acute physiological and perceptual responses to passive heat therapy using a low-cost and accessible infrared sauna blanket in healthy, young adults. METHODS: Eight participants (2 females, age: 20±1 yrs, BMI: 25±7 kg/m2) completed two randomized trials: HEAT consisted of 60 min of supine rest in an infrared sauna blanket set to ~75 °C (MiHIGH, Australia), whereas during CONTROL …
Late Life Aerobic Exercise Mitigates Age-Related Declines In Physical Function In Male And Female Rats, Dillon R. Harris, Quinten W. Pigg, Daniela S. Inoue, Andreea Trache, Mariana Janini Gomes
Late Life Aerobic Exercise Mitigates Age-Related Declines In Physical Function In Male And Female Rats, Dillon R. Harris, Quinten W. Pigg, Daniela S. Inoue, Andreea Trache, Mariana Janini Gomes
International Journal of Exercise Science: Conference Proceedings
While lifelong aerobic exercise (AE) is touted to counteract various age-related health detriments, the efficacy of AE initiated late in life remains unknown. PURPOSE: To investigate whether late life AE can reverse age-related physical and muscle decline in rats. METHODS: 52 male (M; n=22) and female (F; n=24) Fischer 344 rats (3- and 21-months) were randomly assigned in sedentary (SED) or exercise (EX) groups, composing 4 experimental groups per sex: Young SED (n=11; 6M, 5F) Young EX (n=12; 6M, 6F), Old SED (n=12; 5M, 7F) and Old EX (n=12; 6M, 6F). Prior to and after training, all animals underwent a …
Contrast Therapy Is Associated With Higher Thermal Comfort For A Similar Acute Inflammatory Response Compared With Sauna Therapy, Rene Barbier, Benjamin Enslow, Jace Nicolet, Louis Hein, Kelvin Wu, Sven Hoekstra
Contrast Therapy Is Associated With Higher Thermal Comfort For A Similar Acute Inflammatory Response Compared With Sauna Therapy, Rene Barbier, Benjamin Enslow, Jace Nicolet, Louis Hein, Kelvin Wu, Sven Hoekstra
International Journal of Exercise Science: Conference Proceedings
Passive heat therapy, through sauna or hot water immersion, can improve cardiometabolic health outcomes. An increasingly popular thermal modality is contrast therapy, during which sauna therapy is interspersed with cold exposure. However, the acute physiological and inflammatory response to contrast therapy in comparison with traditional sauna remains unknown. PURPOSE: This study compared the acute inflammatory, physiological and perceptual responses to contrast- versus sauna therapy in young, healthy individuals. METHODS: 10 males and 3 females (age: 26.1±7.9 yrs; BMI: 25.9±7.1 kg/m2) completed three randomized trials: HEAT, CONTRAST, and NEUTRAL. HEAT consisted of three 15-min intervals of Finish …
Goal Versus Win Orientation On Maximal Grip Strength, Cole Thompson, Wyatt Wilson, Casi Helbig
Goal Versus Win Orientation On Maximal Grip Strength, Cole Thompson, Wyatt Wilson, Casi Helbig
International Journal of Exercise Science: Conference Proceedings
Competition is a major factor in human effort and performance. In discussing the competitive aspects of achievement, there are two major orientations: goal orientation, involving personal improvement and mastery, and win orientation, in which the competitive endeavor resides in outperforming others and winning. PURPOSE: The purpose of this study was to compare the effects of goal orientation and win orientation on maximal grip strength performance. METHODS: Twenty-nine college students participated in this study. Each subject performed a pretest with one maximal voluntary contraction (MVC) testing grip strength using a calibrated hand dynamometer for 3-5 seconds to achieve baselines. …
The Influence Of Music And Social Interaction On Physiological Responses And Perceived Enjoyment During Hiit And Bfr Performance, Martha Villanueva, Gabriela Segura, Francisco Almaguer, Marco Arriaga, Ulku Karabulut, Sue Anne Chew, Murat Karabulut
The Influence Of Music And Social Interaction On Physiological Responses And Perceived Enjoyment During Hiit And Bfr Performance, Martha Villanueva, Gabriela Segura, Francisco Almaguer, Marco Arriaga, Ulku Karabulut, Sue Anne Chew, Murat Karabulut
International Journal of Exercise Science: Conference Proceedings
While exercise is essential for health, motivational barriers often limit regular participation in exercise. This study investigated strategies to enhance exercise engagement by examining the impact of music and social interaction. PURPOSE: To evaluate the effects of music and social interaction on hemodynamic, perceptual, and neuroendocrine responses during high-intensity interval training (HIIT) and blood flow restriction (BFR) training. METHODS: Twenty recreationally active adults (age=22.5 ± 2.3 years) completed a randomized within-participant study involving five sessions: a familiarization, individual HIIT (HIIT-I), group HIIT (HIIT-G), individual BFR (BFR-I), and group BFR (BFR-G). Sessions consisted of whole-body exercises. Researchers recorded heart …
Neuromuscular Electrical Stimulation Training Improves Acute Metabolic Responses In Sedentary Adults, Richard G. Vazquez, Jehu N. Apaflo, Zahra Fatahimeiabadi, Seyram Y. Azagloh, Joshua Labadah, Sudip Bajpeyi
Neuromuscular Electrical Stimulation Training Improves Acute Metabolic Responses In Sedentary Adults, Richard G. Vazquez, Jehu N. Apaflo, Zahra Fatahimeiabadi, Seyram Y. Azagloh, Joshua Labadah, Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
Neuromuscular electrical stimulation (NMES) is a muscle contraction technique and is commonly used in rehabilitation to prevent muscle atrophy. Beyond rehabilitation, NMES has also shown promise for improving metabolic health, especially among sedentary or mobility-impaired individuals. Although acute use of NMES can improve glycemic control, the extent to which NMES training modifies metabolic responsiveness to acute stimulation remains unclear. PURPOSE: To determine the effects of NMES training on metabolic responsiveness and tolerance to high-frequency stimulation in sedentary overweight/obese adults. METHODS: Forty-five sedentary adults (BMI ≥25 kg/m²; 8 male, 37 female; 67% Hispanic) were randomized to an NMES training group …
Equine Assisted Services Versus Horse Simulator Activity For Functional Ability In Parkinson's Disease, Ryen Browning, Lauren Crabb, Vanessa Mikan
Equine Assisted Services Versus Horse Simulator Activity For Functional Ability In Parkinson's Disease, Ryen Browning, Lauren Crabb, Vanessa Mikan
International Journal of Exercise Science: Conference Proceedings
Parkinson’s disease (PD) is a progressive neurodegenerative disorder associated with impairments in balance, mobility, and postural control, leading to increased fall risk and reduced functional independence. Rhythmic, movement-based interventions benefit motor function in PD. Horse simulator devices, such as the Miracolt, replicate the multidimensional pelvic motion of horseback riding and may provide a safe and accessible therapeutic option. PURPOSE: To examine the effects of a short-term Miracolt horse simulator intervention on balance and functional mobility in individuals with PD. METHODS: Individuals with a clinical diagnosis of PD were recruited from community-based organizations. Participants completed three consecutive 20-minute sessions using the …
Impact Of High-Intensity Rest-Pause And Blood Flow Restriction Training On Strength And Cardiovascular Adaptations In Women, Rebekah D. Schlatter, Murat Karabulut
Impact Of High-Intensity Rest-Pause And Blood Flow Restriction Training On Strength And Cardiovascular Adaptations In Women, Rebekah D. Schlatter, Murat Karabulut
International Journal of Exercise Science: Conference Proceedings
Cardiovascular and musculoskeletal conditions disproportionately affect women, highlighting the need for exercise protocols that improve strength and support arterial health without contributing to arterial stiffening from excessive training volumes. PURPOSE: To examine the effects of various resistance training to failure protocols on strength and arterial health in young, untrained women. METHODS: Thirty-three women (21 ± 2 yrs) resistance trained twice per week for 8 weeks in one of three groups: high-intensity rest pause (HIRP, 70%-80% 1RM, n = 11), HIRP with 15-minutes of aerobic walking (HIRPA, 70%-80% 1RM, n = 11), or light-to-moderate-intensity rest pause with blood flow restriction (BFR, …
Compensatory Reserve Measurement: A Tool To Assess Skeletal Muscle Fatigue, Claudette Joe, Antoine Ferguson, Khizra Khan, Barsha Khadka, Victor Convertino Ph.D., Joni A. Mettler Ph.D.
Compensatory Reserve Measurement: A Tool To Assess Skeletal Muscle Fatigue, Claudette Joe, Antoine Ferguson, Khizra Khan, Barsha Khadka, Victor Convertino Ph.D., Joni A. Mettler Ph.D.
International Journal of Exercise Science: Conference Proceedings
Compensatory reserve measurement (CRM) is a metric of all physiological mechanisms that sustain adequate oxygen perfusion to working muscles. We hypothesized that CRM would track muscular fatigue. PURPOSE: To assess patterns of CRM and muscular torque output during repeated maximal effort fatiguing muscular contractions and during recovery and to examine the relationship between CRM and torque output. METHODS: Twenty-nine healthy physically active participants (age: 21.9 ± 0.4 yr) performed a muscular fatigue task consisting of 4 sets (S) x 20 repetitions (R) of maximal isometric knee extension contractions on an isokinetic dynamometer. Each contraction was held 10s with a …
Individuals With Knee Osteoarthritis Experience Lower Sarcopenia-Related Quality Of Life, Stalin Sabu, Joosung Kim Ph.D., Anupama Thapa, Ana Panhan Ph.D., Joni A. Mettler Ph.D.
Individuals With Knee Osteoarthritis Experience Lower Sarcopenia-Related Quality Of Life, Stalin Sabu, Joosung Kim Ph.D., Anupama Thapa, Ana Panhan Ph.D., Joni A. Mettler Ph.D.
International Journal of Exercise Science: Conference Proceedings
Knee osteoarthritis (KOA) is a degenerative joint disease that is prevalent in older adults and is associated with pain, reduced mobility, and functional limitations that can negatively impact quality of life (QoL). Sarcopenia, a condition characterized by a progressive loss of muscle mass, strength, and physical function, is frequently observed in individuals with KOA and may further exacerbate functional decline. Sarcopenia-related quality of life (SarQoL) is a validated tool for assessing QoL in patients with sarcopenia; however, it has not yet been explored in individuals with KOA. Better understanding the impact of sarcopenia-related factors on QoL in KOA may help …
Changes In Cell Viability And Concentration Of Peripheral Blood Mononuclear Cells Following Nasal Breathing Exercise, Minh Quan Le, Emily Jones, Brady Johnson, Tesleem O. Imran, Jose M. Moris, Yunsuk Koh
Changes In Cell Viability And Concentration Of Peripheral Blood Mononuclear Cells Following Nasal Breathing Exercise, Minh Quan Le, Emily Jones, Brady Johnson, Tesleem O. Imran, Jose M. Moris, Yunsuk Koh
International Journal of Exercise Science: Conference Proceedings
Nasal breathing during exercise induces hypercapnic conditions, which have been shown to improve exercise performance and potentially influence immune and redox responses. Whether nasal breathing during exercise training alters peripheral blood mononuclear cell (PBMC) resilience to an ex vivo inflammatory challenge is unknown. OBJECTIVE: This study examined whether 4 weeks of moderate-intensity exercise with nasal breathing could alter PBMC viability and concentration following ex vivo lipopolysaccharide (LPS) stimulation. METHODS: Nine healthy sedentary men (19–28 years) were randomized either to nasal breathing (NB; n=5) or combined (oral + nasal) breathing (CB; n=4). Both groups exercised on a cycle at moderate intensity …
Arterial Baroreflex-Skeletal Muscle Metaboreflex Interaction During Graded Metaboreflex Activation In Hypertensive Adults, Isabella Arana Rios, Giorgio Manferdelli, Denis J. Wakeham, Scott L. Davis, Paul J. Fadel, Sarah L. Hissen, Christopher M. Hearon Jr.
Arterial Baroreflex-Skeletal Muscle Metaboreflex Interaction During Graded Metaboreflex Activation In Hypertensive Adults, Isabella Arana Rios, Giorgio Manferdelli, Denis J. Wakeham, Scott L. Davis, Paul J. Fadel, Sarah L. Hissen, Christopher M. Hearon Jr.
International Journal of Exercise Science: Conference Proceedings
The skeletal muscle metaboreflex is a blood pressure-raising reflex originating from skeletal muscle that contributes to resetting the operating point of the arterial baroreflex during exercise. In healthy adults, sympathetic baroreflex sensitivity (BRS) increases during metaboreflex activation, whereas cardio-vagal BRS is unchanged. Adults with hypertension (HTN) have exaggerated pressor responses to metaboreflex activation; however, to our knowledge, no studies have examined sympathetic or cardio-vagal BRS during metaboreflex activation in adults with HTN. HYPOTHESIS: We hypothesized that sympathetic and cardio-vagal BRS would be reduced during graded muscle metaboreflex activation in adults with HTN. METHODS: Thirty-five adults with HTN (18 …
Contraction-Evoked Pain And Its Association With Strength And Function In Knee Osteoarthritis, Usha Devkota, Neha Barve, Joni A. Mettler Ph.D, Joosung Kim
Contraction-Evoked Pain And Its Association With Strength And Function In Knee Osteoarthritis, Usha Devkota, Neha Barve, Joni A. Mettler Ph.D, Joosung Kim
International Journal of Exercise Science: Conference Proceedings
Knee strength deficits have been associated with pain and impaired physical function in individuals with knee osteoarthritis (KOA). Isometric maximal voluntary contraction (MVC) testing using a dynamometer is considered as the gold standard for assessing quadriceps and hamstring strength. However, it remains unclear how pain is experienced during knee strength testing and how it relates to functional performance and strength outcomes in individuals with KOA. PURPOSE: To determine the presence of knee pain during knee extension and flexion of MVC in individuals with KOA, and to assess its relationship with physical performance. METHODS: Fourteen individuals with KOA (58.1 ± 11.5 …
Relationship Between Dari Overall Scores And Physical Ability Test (Pat) Performance In Police Cadets, Brian Jones, Vipa Bernhardt, Michael D. Oldham, Hussien Jabai, Bronwyn Banks, Fatima Alonso, Joshua Nate, Karla Pegueros, Nikita Strogalev, Ouays Bakcha, Stephanie Tapia Ochoa, Veronika Kramarenko
Relationship Between Dari Overall Scores And Physical Ability Test (Pat) Performance In Police Cadets, Brian Jones, Vipa Bernhardt, Michael D. Oldham, Hussien Jabai, Bronwyn Banks, Fatima Alonso, Joshua Nate, Karla Pegueros, Nikita Strogalev, Ouays Bakcha, Stephanie Tapia Ochoa, Veronika Kramarenko
International Journal of Exercise Science: Conference Proceedings
Tactical personnel must perform physically demanding tasks requiring agility, endurance, and coordination. Although the Physical Ability Test (PAT) assesses occupational readiness and reflects performance, it doesn’t capture underlying movement quality that affects readiness or injury risk. The DARI Motion System® utilizes markerless 3D motion capture to generate an Overall Score (0–1000) combining movement quality and performance metrics. Markerless systems have shown reliable joint-motion measurement in tactical settings. PURPOSE: To determine whether DARI ® Overall scores predict PAT performance and to identify a threshold associated with achieving the 97-second benchmark. METHODS: Police cadets (n = 49) completed DARI …
Aerobic Exercise And Sauna Recovery On Heart Rate Variability, Karla Pegueros, Michael D. Oldham, Vipa Bernhardt, Stephanie Tapia Ochoa, Brian Jones, Bronwyn Banks, Fatima Alonso, Joshua Nate, Ouays Bakcha, Dylan Sabo, Nikita Strogalev, Veronika Kramarenko
Aerobic Exercise And Sauna Recovery On Heart Rate Variability, Karla Pegueros, Michael D. Oldham, Vipa Bernhardt, Stephanie Tapia Ochoa, Brian Jones, Bronwyn Banks, Fatima Alonso, Joshua Nate, Ouays Bakcha, Dylan Sabo, Nikita Strogalev, Veronika Kramarenko
International Journal of Exercise Science: Conference Proceedings
Sauna bathing is a commonly used tool that induces thermoregulatory physiological responses for recovery and cardiovascular health. Heart rate variability (HRV) is a measure to determine the body’s autonomic nervous system state and is used to assess recovery status. Although sauna exposure has been associated with a favorable HRV response, the effects of sauna bathing following aerobic exercise on post-exercise HRV remains unclear. PURPOSE: The purpose of this study was to examine the effects of far infrared sauna bathing after aerobic exercise, compared to seated euthermic recovery, on HRV during post-exercise recovery. METHODS: Twenty college students (18-35 yrs) …
Delay In Increased Muscle Cross Sectional Area After Muscle Damage While Dehydrated, Sarah Walper, Casey Appell, Trinity Domonkos, Karina Olvera, Seth Bernardino, Jalyn Dunlap, Larry Munger, Hui-Ying Luk
Delay In Increased Muscle Cross Sectional Area After Muscle Damage While Dehydrated, Sarah Walper, Casey Appell, Trinity Domonkos, Karina Olvera, Seth Bernardino, Jalyn Dunlap, Larry Munger, Hui-Ying Luk
International Journal of Exercise Science: Conference Proceedings
When muscles are damaged, the tears in the muscle fibers triggers an immune response and muscles experience inflammation. Inflammation increases WBC in the muscles to repair the micro tears. Muscle inflammation can be assessed by measuring the cross-sectional area (CSA) via ultrasound images. PURPOSE: To examine the effect of hydration status during recovery on muscle swelling after muscle damaging exercise. METHODS: Six recreationally active men (19 ± 1yr, 169.8 ± 8.3cm, 79.5 ± 11.7kg, Lean mass 58.6 ± 13.0kg, %body fat 28.3 ± 6.5%) completed two bouts of an identical muscle damaging exercise (DAM-EX) under a hydrated state and underwent …
Lower-Limb Lean Mass Asymmetry Ranges And Their Association With Jump Performance In Collegiate Athletes, Veronika Kramarenko, Michael Oldham, Vipa Bernhardt, Nikita Strogalev, Brian Jones, Bronwyn Banks, Dylan Sabo, Fatima Alonso, Joshua Nate, Karla Pegueros, Ouays Bakcha, Stephanie Tapia Ochoa
Lower-Limb Lean Mass Asymmetry Ranges And Their Association With Jump Performance In Collegiate Athletes, Veronika Kramarenko, Michael Oldham, Vipa Bernhardt, Nikita Strogalev, Brian Jones, Bronwyn Banks, Dylan Sabo, Fatima Alonso, Joshua Nate, Karla Pegueros, Ouays Bakcha, Stephanie Tapia Ochoa
International Journal of Exercise Science: Conference Proceedings
INTRODUCTION: Lower-limb asymmetries have gained increasing attention due to their potential influence on athlete health and performance. Previous research provides mixed findings on the impact of asymmetries on jump performance. PURPOSE: The purpose of this study was to explore lower-limb asymmetry ranges associated with changes in jump performance in a large, multi-sport cohort of athletes. METHODS: A total of 721 NCAA Division I athletes (483 males, 239 females) from seven sports were included. Lower-limb asymmetries were calculated as the absolute difference between right and left limb values divided by the larger value and multiplied by 100. Asymmetries …
Relationship Between Overhead Squat Depth And Vertical Jump Height In Ncaa Division I Athletes, Ouays Bakcha, Brian Jones, Karla Pegueros, Veronika Kramarenko, Nikita Strogalev, Fatima Alonso, Stephanie Tapia Ochoa, Bronwyn Banks, Dylan Sabo, Joshua Nate, Michael Oldham, Vipa Bernhardt
Relationship Between Overhead Squat Depth And Vertical Jump Height In Ncaa Division I Athletes, Ouays Bakcha, Brian Jones, Karla Pegueros, Veronika Kramarenko, Nikita Strogalev, Fatima Alonso, Stephanie Tapia Ochoa, Bronwyn Banks, Dylan Sabo, Joshua Nate, Michael Oldham, Vipa Bernhardt
International Journal of Exercise Science: Conference Proceedings
INTRODUCTION: Movement screening and performance testing are commonly used in collegiate athletics to monitor readiness, guide training decisions, and reduce injury risk. The overhead squat (OHS) is frequently employed as a global assessment of lower-extremity mobility and movement capability, while vertical jump (VJ) height is a well-established indicator of explosive lower-body power. Although improved mobility is often assumed to support power development, the relationship between these measures across repeated testing sessions remains unclear. PURPOSE: The purpose of this study was to examine the association between overhead squat depth and vertical jump height across multiple testing timepoints in NCAA Division I …
Predicting Injury Risk In Ncaa Division I Athletes Using Biomechanical And Body Composition Screening Data, Nikita Strogalev, Vipa Bernhardt, Michael Oldham, Veronika Kramarenko, Brian Jones, Bronwyn Banks, Dylan Sabo, Fatima Alonso, Joshua Nate, Karla Pegueros, Ouays Bakcha, Stephanie Tapia Ochoa
Predicting Injury Risk In Ncaa Division I Athletes Using Biomechanical And Body Composition Screening Data, Nikita Strogalev, Vipa Bernhardt, Michael Oldham, Veronika Kramarenko, Brian Jones, Bronwyn Banks, Dylan Sabo, Fatima Alonso, Joshua Nate, Karla Pegueros, Ouays Bakcha, Stephanie Tapia Ochoa
International Journal of Exercise Science: Conference Proceedings
INTRODUCTION: Injuries are a significant concern in athletic populations, limiting performance, shortening careers, and negative impact on health. There is growing evidence that intrinsic factors such as body composition and biomechanical characteristics are associated with injury risk, with metrics like fat and muscle distribution linked to injury likelihood across multiple sports. Moreover, recent research has demonstrated that predictive models incorporating physiological and biomechanical variables can effectively estimate injury risk, supporting the feasibility of data-driven injury risk prediction in sport science. PURPOSE: The purpose of this study was to assess whether body composition and biomechanical measurements can be used …
Effects Of A Standardized Warm-Up On Dari Motion Analysis, Stephanie Tapia Ochoa, Michael Oldham, Vipa Bernhardt, Karla Pegueros, Fatima Alonso, Brian Jones, Bronwyn Banks, Joshua Nate, Nikita Strogalev, Veronika Kramarenko, Dylan Sabo, Ouays Bakcha
Effects Of A Standardized Warm-Up On Dari Motion Analysis, Stephanie Tapia Ochoa, Michael Oldham, Vipa Bernhardt, Karla Pegueros, Fatima Alonso, Brian Jones, Bronwyn Banks, Joshua Nate, Nikita Strogalev, Veronika Kramarenko, Dylan Sabo, Ouays Bakcha
International Journal of Exercise Science: Conference Proceedings
Markerless motion capture systems, such as DARI ®, are commonly used to assess movement quality and performance in athletic and return-to-play settings. These assessments are often conducted without a standardized warm-up, potentially influencing neuromuscular readiness and performance outcomes. PURPOSE: The purpose of this study was to evaluate the effect of a standardized dynamic warm-up on DARI ® performance scores and variables compared to a no warm-up condition. METHODS: Twenty-nine college students (18-35 years) completed two DARI motion analysis sessions using randomized crossover design: one session without a warm-up (CON) and one session following a 9 min standardized dynamic …
Physical And Psychological Changes In U.S. Air Force Rotc Cadets Throughout The Star Training Program, Sarah Parnell, Hunter Haynes, Sheena Puleali'i, Molly F. Johnson, Maria G. Kaylor, Andrew Addison, Austin J. Graybeal
Physical And Psychological Changes In U.S. Air Force Rotc Cadets Throughout The Star Training Program, Sarah Parnell, Hunter Haynes, Sheena Puleali'i, Molly F. Johnson, Maria G. Kaylor, Andrew Addison, Austin J. Graybeal
International Journal of Exercise Science: Conference Proceedings
PURPOSE: U.S. Air Force Reserve Officer Training Corps (AFROTC) cadets face unique military preparedness pressures that may heighten risk for negative body image and maladaptive eating behaviors. Such behavioral and body image concerns can meaningfully undermine health, performance, and readiness, yet remain underexplored relative to physical outcomes in pre-military populations. This study examined longitudinal changes in body composition and physical fitness assessment (PFA) scores alongside various psychosocial factors across a 12-week S&C program in AFROTC cadets. METHODS: Forty-six AFROTC cadets (21 F, 25 M; age: 20±3y; BMI: 24.0±3.9kg/m²; BF%: 26.1±8.2%) completed the Supporting Tactical Athletes for Readiness (STAR) …
Exercise Training Attenuates Cd8 T Cell Exhaustion, But Not Glucose Intolerance, Following Weight Cycling, Okechukwu K. Oforka, Emily C. Lavoy, Heather L. Caslin
Exercise Training Attenuates Cd8 T Cell Exhaustion, But Not Glucose Intolerance, Following Weight Cycling, Okechukwu K. Oforka, Emily C. Lavoy, Heather L. Caslin
International Journal of Exercise Science: Conference Proceedings
Obesity increases the risk of glucose intolerance and CD8 T cell exhaustion, which indicates an impaired immune function. While weight loss mitigates these risks, most individuals regain weight (weight cycling), which worsens both conditions. Exercise training protects against glucose intolerance and attenuates T cell exhaustion, but its protective role during weight cycling remains unclear. PURPOSE: The purpose of this study was to examine whether exercise training can prevent glucose intolerance and attenuate CD8 T cell exhaustion following weight cycling in mice. METHODS: Forty-eight C57Bl/6 mice were used for the study. Lean and obese groups were elicited using diet. …
Effects Of Passive Heating And Treadmill Walking On Core Body Temperature, Protein Expression, And Nonmotor Symptoms In Women With Parkinson’S Disease: A Preliminary Analysis, Cayla E. Clark, Tatiana Gaibor Verdezoto, Starr I. Davis, Garin Varjian, Candela Fidalgo Garcia, Savannah Innes, Kyle Biggerstaff, George A. King, Brandon R. Rigby
Effects Of Passive Heating And Treadmill Walking On Core Body Temperature, Protein Expression, And Nonmotor Symptoms In Women With Parkinson’S Disease: A Preliminary Analysis, Cayla E. Clark, Tatiana Gaibor Verdezoto, Starr I. Davis, Garin Varjian, Candela Fidalgo Garcia, Savannah Innes, Kyle Biggerstaff, George A. King, Brandon R. Rigby
International Journal of Exercise Science: Conference Proceedings
Parkinson’s disease (PD) is an idiopathic, neurological disorder with impairments in motor and nonmotor physiological functions. Although heat shock proteins (HSPs) may reduce α-synuclein aggregation, central to PD pathology, HSP responses to elevated core temperature and heat-based interventions in PD remain unexplored. PURPOSE: To observe HSP expression, α-synuclein concentration, core body temperature (TC), and nonmotor symptoms of PD following acute aerobic exercise and passive heating in older women with PD. METHODS: Nine women (67.1±4.7 yrs, 27.5±9.4 kg/m2), clinically diagnosed with PD prior to the start of the study, completed a randomized, crossover design including one …
Comparison Between Actual And Predicted Sweat Rates In Burn Survivors Using A Predictive Model For Fluid Replacement, Timothy P. Schaefer, Elizabeth A. Gideon, Erin M. Harper, Zachary J. Mckenna, Rachel M. Cottle, Ollie Jay, Craig G. Crandall
Comparison Between Actual And Predicted Sweat Rates In Burn Survivors Using A Predictive Model For Fluid Replacement, Timothy P. Schaefer, Elizabeth A. Gideon, Erin M. Harper, Zachary J. Mckenna, Rachel M. Cottle, Ollie Jay, Craig G. Crandall
International Journal of Exercise Science: Conference Proceedings
Sweating is a primary physiological response necessary to regulate body temperature in hot environments. Recent literature identifies a correlation between multiple variables (i.e., height and weight, environmental temperature, humidity, intensity and duration of exercise, and venue of exercise) and the rate of sweat loss during physical activity in healthy participants. These findings were then used to create a model to predict fluid loss via sweat, and thus the fluid replacement necessary to rehydrate during and following exercise (sweatratecalculator.com). Importantly, this calculator was modeled with data from uninjured, healthy individuals and therefore may not be accurate for burn survivors. Grafted skin …
Habitual Physical Activity Moderates The Association Between Psychological Stress And Nocturnal Heart Rate In Young Adults, Joelle Becker, Jeremy A. Bigalke, Jason R. Carter
Habitual Physical Activity Moderates The Association Between Psychological Stress And Nocturnal Heart Rate In Young Adults, Joelle Becker, Jeremy A. Bigalke, Jason R. Carter
International Journal of Exercise Science: Conference Proceedings
Psychological stress can lead to nocturnal hyperarousal and sleep disruption. However, the extent to which habitual physical activity buffers stress-related effects on sleep and hyperarousal remains unclear. PURPOSE: The purpose of this study was to examine whether habitual physical activity moderates the relationship between habitual stress, sleep duration, and nocturnal heart rate (HR). We hypothesized that habitual physical activity would moderate the relationship between stress, sleep, and HR. Specifically, higher stress would be associated with shorter total sleep time and elevated HR primarily among individuals with lower physical activity, whereas more physically active individuals would experience smaller stress-related reductions in …
Chronic Exercise And Its Effect On Happiness And Anxiety, Daylah Vega, London K. Suarez, Adriana N. Guerrero, Michael V. Maspero, Daiana M. Jones, Emily J. Sauers
Chronic Exercise And Its Effect On Happiness And Anxiety, Daylah Vega, London K. Suarez, Adriana N. Guerrero, Michael V. Maspero, Daiana M. Jones, Emily J. Sauers
International Journal of Exercise Science: Conference Proceedings
Physical activity has been widely researched and demonstrated to play a crucial role in benefiting individuals' mental health. As sedentary behaviors begin to rise with upcoming generations, it is important to understand the effects chronic exercise has on an individual's physiological process in order to enhance overall wellbeing. PURPOSE: The purpose of this study was to evaluate the impact of a 6-week Exercise is Medicine on Campus program on happiness and anxiety. METHODS: Sixty-seven participants from OLLU agreed to participate in this endeavor; all participants were placed in 18 fitness teams for the duration of the challenge. Thirty …
Efficacy Of A Health Coaching Intervention, Hannah K. Hutson, Alison Phillips Reichter, Katherine E. Riley
Efficacy Of A Health Coaching Intervention, Hannah K. Hutson, Alison Phillips Reichter, Katherine E. Riley
International Journal of Exercise Science: Conference Proceedings
Health coaching is an evidence-based, humanistic intervention that involves individualized goal setting and accountability to improve a client’s lifestyle behaviors, such as physical activity (PA). Health coaching integrates tenets of Self-Determination Theory, a commonly utilized theory to support behavior change interventions; it posits that humans have three basic psychological needs – competence, autonomy, and relatedness – which facilitate self-determined motivation and positive health and well-being outcomes. In particular, perceived competence indicates the need to feel skilled and develop mastery over tasks. This influences overall motivation, well-being outcomes, and health behaviors. Low levels of perceived competence may undermine health behaviors and …